this has abstractions for getting the names.json file and reading them
and parsing them. i also moved the cli logger initialization code into
its own module.
i'm making a cli that lets you add stuff to the names.json file and read
data from it and i moved stuff that can be shared between them like the
Site struct to a shared crate thats in workspace, like the cli crate. i
also switched to using typed json parsing which works well.
this has the exact same syntax as tera (jinja style) but its compile
time which is very useful for having a portable binary that doesn't
require any files to run like a templates folder or public folder.
i added a json api called /name which lets you get the previous and next
site name. i also modified the internal url functions to return a None
value if overflow is turned off and next or previous is nothing.
